------------[ cut here ]------------
ODEBUG: free active (active state 1) object: ffff888021af7800 object type: rcu_head hint: 0x0
WARNING: CPU: 0 PID: 8850 at lib/debugobjects.c:612 debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Modules linked in:
CPU: 0 UID: 0 PID: 8850 Comm: syz.1.751 Not tainted 6.13.0-rc3-syzkaller-00026-g59dbb9d81adf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 48 8b 14 dd 20 7d b1 8b 41 56 4c 89 e6 48 c7 c7 a0 71 b1 8b e8 ef 5e bc fc 90 <0f> 0b 90 90 58 83 05 96 5a 7f 0b 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc90018d2f858 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff815a16c9
RDX: ffff888035255a00 RSI: ffffffff815a16d6 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff8bb17840
R13: ffffffff8b4e5d20 R14: 0000000000000000 R15: ffffc90018d2f968
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006b444000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__debug_check_no_obj_freed lib/debugobjects.c:1099 [inline]
debug_check_no_obj_freed+0x4b7/0x600 lib/debugobjects.c:1129
remove_vm_area+0x1ae/0x3f0 mm/vmalloc.c:3241
vfree+0x90/0x890 mm/vmalloc.c:3364
kcov_put kernel/kcov.c:439 [inline]
kcov_put+0x2a/0x40 kernel/kcov.c:435
kcov_close+0xd/0x20 kernel/kcov.c:535
__fput+0x3f8/0xb60 fs/file_table.c:450
task_work_run+0x14e/0x250 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xadd/0x2d70 kernel/exit.c:938
do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
get_signal+0x2576/0x2610 kernel/signal.c:3017
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6673b85d29
Code: Unable to access opcode bytes at 0x7f6673b85cff.
RSP: 002b:00007f66749ef0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6673d76088 RCX: 00007f6673b85d29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6673d76088
RBP: 00007f6673d76080 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6673d7608c
R13: 0000000000000000 R14: 00007ffde01b6650 R15: 00007ffde01b6738
</TASK>